X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FSparc%2FSparcTargetMachine.cpp;h=83f3474759b62d7719191400c3cdb766a1cac360;hb=14551f041b36f4d224db5945e3433d384ecc6a7f;hp=8b7559c2f9e41685c70792911406bb017addc0e2;hpb=3b9a911efcf280950f878a050728450423875639;p=oota-llvm.git

diff --git a/lib/Target/Sparc/SparcTargetMachine.cpp b/lib/Target/Sparc/SparcTargetMachine.cpp
index 8b7559c2f9e..83f3474759b 100644
--- a/lib/Target/Sparc/SparcTargetMachine.cpp
+++ b/lib/Target/Sparc/SparcTargetMachine.cpp
@@ -12,8 +12,8 @@
 
 #include "SparcTargetMachine.h"
 #include "Sparc.h"
-#include "llvm/PassManager.h"
 #include "llvm/CodeGen/Passes.h"
+#include "llvm/PassManager.h"
 #include "llvm/Support/TargetRegistry.h"
 using namespace llvm;
 
@@ -23,6 +23,32 @@ extern "C" void LLVMInitializeSparcTarget() {
   RegisterTargetMachine<SparcV9TargetMachine> Y(TheSparcV9Target);
 }
 
+static std::string computeDataLayout(const SparcSubtarget &ST) {
+  // Sparc is big endian.
+  std::string Ret = "E-m:e";
+
+  // Some ABIs have 32bit pointers.
+  if (!ST.is64Bit())
+    Ret += "-p:32:32";
+
+  // Alignments for 64 bit integers.
+  Ret += "-i64:64";
+
+  // On SparcV9 128 floats are aligned to 128 bits, on others only to 64.
+  // On SparcV9 registers can hold 64 or 32 bits, on others only 32.
+  if (ST.is64Bit())
+    Ret += "-n32:64";
+  else
+    Ret += "-f128:64-n32";
+
+  if (ST.is64Bit())
+    Ret += "-S128";
+  else
+    Ret += "-S64";
+
+  return Ret;
+}
+
 /// SparcTargetMachine ctor - Create an ILP32 architecture model
 ///
 SparcTargetMachine::SparcTargetMachine(const Target &T, StringRef TT,
@@ -33,10 +59,11 @@ SparcTargetMachine::SparcTargetMachine(const Target &T, StringRef TT,
                                        bool is64bit)
   : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
     Subtarget(TT, CPU, FS, is64bit),
-    DL(Subtarget.getDataLayout()),
+    DL(computeDataLayout(Subtarget)),
     InstrInfo(Subtarget),
     TLInfo(*this), TSInfo(*this),
     FrameLowering(Subtarget) {
+  initAsmInfo();
 }
 
 namespace {
@@ -64,11 +91,17 @@ bool SparcPassConfig::addInstSelector() {
   return false;
 }
 
+bool SparcTargetMachine::addCodeEmitter(PassManagerBase &PM,
+                                        JITCodeEmitter &JCE) {
+  // Machine code emitter pass for Sparc.
+  PM.add(createSparcJITCodeEmitterPass(*this, JCE));
+  return false;
+}
+
 /// addPreEmitPass - This pass may be implemented by targets that want to run
 /// passes immediately before machine code is emitted.  This should return
 /// true if -print-machineinstrs should print out the code after the passes.
 bool SparcPassConfig::addPreEmitPass(){
-  addPass(createSparcFPMoverPass(getSparcTargetMachine()));
   addPass(createSparcDelaySlotFillerPass(getSparcTargetMachine()));
   return true;
 }